huangyhg

cantilever steel stairs
can anyone please direct me to a design guide for cantilever stairs in steel? i'm looking at one at the moment and any help on this topic will be appreciated.
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i assume you mean a set of 'floating' stairs where each step is fixed at one end like this:?
please define what you mean by "cantilever". stringers, treads, landings, etc.
apologies for not being specific.
the stair has no support at mid landing and are only supported at structural floor level i.e stringers are cantilevered off the floors!
where are you located? i think this is more of a "scissor stair" than a cantilevered stair. i would be concerned about vibrations for this case. the strength design should be pretty straightforward, especially if you can model it in advanse or risa.
these stairs rely both on fixity at the floor levels and truss action between the stringers and torsion in the
jike is correct. modeling the staircase as described is the way to do it. detailing is the next key. if you are in a seismic region or a heavy wind region you will also need to add lateral loads to the model. i would recommend some
thanks everyone you for your valuable insight.
structiet - yes you are right, it is a scissors stairs, i'm based in eire. the stair is cantilevers off link bridges between two blocks and is a feature in the atrium space.
done a similar design with a solid concrete stair and followed guidance in reynold's concrete designer's manual.
quote (zimstruct ):
reynolds's concrete designer's manual
that is such a brilliant book! 10th edition should be in every engineer's library
why? you don't like the 11th edition?
i dont have the 11th edition but from what i hear they have cut a few things out of it and its not as involved at the 10th edition?...might just their personal view though!

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